三线地区 meaning in Chinese
remote regions away from the coastal areas
Examples
- Through the construction , the western china has formed it ' s own industrial structures ， brought about a great advance in industrial production
经过这次建设，西部地区形成了本地区的产业结构，奠定了西部工业的基础和发展格局，促进了三线地区的经济建设。